www.firstnationalcc.com first national credit card legacy visa activation log in payment

i have this first national credit card from first national bank. Its a first national legacy visa card. i dont know how to do payment for this service so i went to www.firstnationalcc.com and it says if you have received a mail offer for a new Legacy Visa and would like to complete the application online, click the button below. When i click that button to log in but nothing happens, so please someone help. i couldnt contact first national credit card customer service